Use After Free Affecting firefox-esr package, versions <45.9.0esr-1~deb8u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIAN8-FIREFOXESR-354815
- published11 Jun 2018
- disclosed11 Jun 2018
Introduced: 11 Jun 2018
CVE-2017-5447 (opens in a new tab)How to fix?
Upgrade Debian:8 firefox-esr to version 45.9.0esr-1~deb8u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian.
See How to fix? for Debian:8 relevant fixed versions and status.
An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
References
- https://security-tracker.debian.org/tracker/CVE-2017-5447
- https://www.debian.org/security/2017/dsa-3831
- https://www.exploit-db.com/exploits/42071/
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-11/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- https://www.mozilla.org/security/advisories/mfsa2017-13/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1343552
- https://access.redhat.com/errata/RHSA-2017:1104
- https://access.redhat.com/errata/RHSA-2017:1106
- https://access.redhat.com/errata/RHSA-2017:1201
- http://www.securityfocus.com/bid/97940
- http://www.securitytracker.com/id/1038320
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-5447